#include <iostream>
using namespace std;

/**
 * Application Of Input And Output
 */


/**
 * output stream
 */
void outFunc() {
    cout << "this the output stream" << endl;
}


/**
 * input stream
 */
void inFunc() {
    char name[50];

    int age, sex;
    cout << "input you name:" << endl;
    cin >> name;
    cout << "you name is:" << name << endl;
    cout << "input age,sex :" << endl;
    cin >> age >> sex;
    cout << "you age is:" << age << "you sex is:" << sex << endl;
}

/**
 * error stream
 */
void errFunc() {
    cerr << "this is error output stream" << endl;
}

/**
 * log stream
 */
void logFunc() {
    clog << "this is log stream" << endl;
}

int main(int argc, char *argv[]) {
    // outFunc();
    // inFunc();
    // errFunc();
    // logFunc();
}
